Παραπομπή APA

Douglas, J. E. (1980). Successful seed programs: A planning and management guide. Westview Press.

Παραπομπή Chicago Style

Douglas, Johnson E. Successful Seed Programs: A Planning and Management Guide. Boulder, Colo.: Westview Press, 1980.

Παραπομπή MLA

Douglas, Johnson E. Successful Seed Programs: A Planning and Management Guide. Westview Press, 1980.